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Date:   Thu, 12 May 2022 11:55:53 +0200
From:   Alaa Mohamed <eng.alaamohamedsoliman.am@...il.com>
To:     netdev@...r.kernel.org
Cc:     outreachy@...ts.linux.dev, roopa@...dia.com, jdenham@...hat.com,
        sbrivio@...hat.com, jesse.brandeburg@...el.com,
        anthony.l.nguyen@...el.com, davem@...emloft.net, kuba@...nel.org,
        pabeni@...hat.com, vladimir.oltean@....com, claudiu.manoil@....com,
        alexandre.belloni@...tlin.com, shshaikh@...vell.com,
        manishc@...vell.com, razor@...ckwall.org,
        intel-wired-lan@...ts.osuosl.org, linux-kernel@...r.kernel.org,
        UNGLinuxDriver@...rochip.com, GR-Linux-NIC-Dev@...vell.com,
        bridge@...ts.linux-foundation.org,
        eng.alaamohamedsoliman.am@...il.com
Subject: [PATCH net-next v7 1/2] rtnetlink: add extack support in fdb del handlers

Add extack support to .ndo_fdb_del in netdevice.h and
all related methods.

Signed-off-by: Alaa Mohamed <eng.alaamohamedsoliman.am@...il.com>
---
changes in V3:
        fix errors reported by checkpatch.pl
---
changes in V4:
        fix errors reported by checkpatch.pl
---
changes in V5:
	resubmit after rebase.
---
changes in V6:
	update the kdoc on ice_fdb_del
---
changes in V7:
	fix alignments in ocelot_port_fdb_del and
 vxlan_fdb_delete.
---
 drivers/net/ethernet/intel/ice/ice_main.c        | 3 ++-
 drivers/net/ethernet/mscc/ocelot_net.c           | 3 ++-
 drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c | 3 ++-
 drivers/net/macvlan.c                            | 3 ++-
 drivers/net/vxlan/vxlan_core.c                   | 3 ++-
 include/linux/netdevice.h                        | 2 +-
 net/bridge/br_fdb.c                              | 3 ++-
 net/bridge/br_private.h                          | 3 ++-
 net/core/rtnetlink.c                             | 4 ++--
 9 files changed, 17 insertions(+), 10 deletions(-)

diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index fde839ef0613..95f6c9610372 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -5674,11 +5674,12 @@ ice_fdb_add(struct ndmsg *ndm, struct nlattr __always_unused *tb[],
  * @dev: the net device pointer
  * @addr: the MAC address entry being added
  * @vid: VLAN ID
+ * @extack: netlink extended ack
  */
 static int
 ice_fdb_del(struct ndmsg *ndm, __always_unused struct nlattr *tb[],
 	    struct net_device *dev, const unsigned char *addr,
-	    __always_unused u16 vid)
+	    __always_unused u16 vid, struct netlink_ext_ack *extack)
 {
 	int err;

diff --git a/drivers/net/ethernet/mscc/ocelot_net.c b/drivers/net/ethernet/mscc/ocelot_net.c
index 247bc105bdd2..32d0a9e0a4b0 100644
--- a/drivers/net/ethernet/mscc/ocelot_net.c
+++ b/drivers/net/ethernet/mscc/ocelot_net.c
@@ -774,7 +774,8 @@ static int ocelot_port_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],

 static int ocelot_port_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
 			       struct net_device *dev,
-			       const unsigned char *addr, u16 vid)
+			       const unsigned char *addr, u16 vid,
+			       struct netlink_ext_ack *extack)
 {
 	struct ocelot_port_private *priv = netdev_priv(dev);
 	struct ocelot_port *ocelot_port = &priv->port;
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
index d320567b2cca..28476b982bab 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -368,7 +368,8 @@ static int qlcnic_set_mac(struct net_device *netdev, void *p)

 static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
 			struct net_device *netdev,
-			const unsigned char *addr, u16 vid)
+			const unsigned char *addr, u16 vid,
+			struct netlink_ext_ack *extack)
 {
 	struct qlcnic_adapter *adapter = netdev_priv(netdev);
 	int err = -EOPNOTSUPP;
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index b00bc8173abe..cb27631c3a4d 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -1021,7 +1021,8 @@ static int macvlan_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],

 static int macvlan_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
 			   struct net_device *dev,
-			   const unsigned char *addr, u16 vid)
+			   const unsigned char *addr, u16 vid,
+			   struct netlink_ext_ack *extack)
 {
 	struct macvlan_dev *vlan = netdev_priv(dev);
 	int err = -EINVAL;
diff --git a/drivers/net/vxlan/vxlan_core.c b/drivers/net/vxlan/vxlan_core.c
index 8a5e3a6d32d7..c58c48de4cf4 100644
--- a/drivers/net/vxlan/vxlan_core.c
+++ b/drivers/net/vxlan/vxlan_core.c
@@ -1280,7 +1280,8 @@ int __vxlan_fdb_delete(struct vxlan_dev *vxlan,
 /* Delete entry (via netlink) */
 static int vxlan_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[],
 			    struct net_device *dev,
-			    const unsigned char *addr, u16 vid)
+			    const unsigned char *addr, u16 vid,
+			    struct netlink_ext_ack *extack)
 {
 	struct vxlan_dev *vxlan = netdev_priv(dev);
 	union vxlan_addr ip;
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 7dccbfd1bf56..23731804a4b0 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1513,7 +1513,7 @@ struct net_device_ops {
 					       struct nlattr *tb[],
 					       struct net_device *dev,
 					       const unsigned char *addr,
-					       u16 vid);
+					       u16 vid, struct netlink_ext_ack *extack);
 	int			(*ndo_fdb_del_bulk)(struct ndmsg *ndm,
 						    struct nlattr *tb[],
 						    struct net_device *dev,
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
index 1a3d583fbc8e..e7f4fccb6adb 100644
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -1253,7 +1253,8 @@ static int __br_fdb_delete(struct net_bridge *br,
 /* Remove neighbor entry with RTM_DELNEIGH */
 int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[],
 		  struct net_device *dev,
-		  const unsigned char *addr, u16 vid)
+		  const unsigned char *addr, u16 vid,
+		  struct netlink_ext_ack *extack)
 {
 	struct net_bridge_vlan_group *vg;
 	struct net_bridge_port *p = NULL;
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 6ae882cfae1c..06e5f6faa431 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -793,7 +793,8 @@ void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source,
 		   const unsigned char *addr, u16 vid, unsigned long flags);

 int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[],
-		  struct net_device *dev, const unsigned char *addr, u16 vid);
+		  struct net_device *dev, const unsigned char *addr, u16 vid,
+		  struct netlink_ext_ack *extack);
 int br_fdb_delete_bulk(struct ndmsg *ndm, struct nlattr *tb[],
 		       struct net_device *dev, u16 vid,
 		       struct netlink_ext_ack *extack);
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 73f2cbc440c9..3130df52b56a 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -4240,7 +4240,7 @@ static int rtnl_fdb_del(struct sk_buff *skb, struct nlmsghdr *nlh,
 		ops = br_dev->netdev_ops;
 		if (!del_bulk) {
 			if (ops->ndo_fdb_del)
-				err = ops->ndo_fdb_del(ndm, tb, dev, addr, vid);
+				err = ops->ndo_fdb_del(ndm, tb, dev, addr, vid, extack);
 		} else {
 			if (ops->ndo_fdb_del_bulk)
 				err = ops->ndo_fdb_del_bulk(ndm, tb, dev, vid,
@@ -4258,7 +4258,7 @@ static int rtnl_fdb_del(struct sk_buff *skb, struct nlmsghdr *nlh,
 		ops = dev->netdev_ops;
 		if (!del_bulk) {
 			if (ops->ndo_fdb_del)
-				err = ops->ndo_fdb_del(ndm, tb, dev, addr, vid);
+				err = ops->ndo_fdb_del(ndm, tb, dev, addr, vid, extack);
 			else
 				err = ndo_dflt_fdb_del(ndm, tb, dev, addr, vid);
 		} else {
--
2.36.1

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